When the Levene test results in a significant value, .05 or less, then the variances can be assumed to be equal

Which of the following is the best example of synchronicity?

a) Both Alice and Ted opened their mouths to speak at the same time. b) Just as Yasmeen passed the shop of the new shoemaker, her heel broke. c) On his way home, Nicholas found two $1 bills lying next to each other on the sidewalk. d) The 12 o'clock whistle reminded Ron that he hadn't eaten since the night before.

Both CT (computed tomography) and PET (positron emission tomography) neuroimaging techniques were developed in the 1970s

Indicate whether this statement is true or false.